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Finding the Fourth Proportional to 227,620.82, 314,116.79 and 125,646.34

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Solution

The fourth proportional to 227,620.82, 314,116.79 and 125,646.34 is: 173,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,620.82 : 314,116.79 = 125,646.34 : x
  2. Step 2: Convert to fraction form
    227,620.82/314,116.79 = 125,646.34/x
  3. Step 3: Cross multiply
    227,620.82x = 314,116.79 × 125,646.34
  4. Step 4: Simplify right side
    227,620.82x = 39,467,624,996.05
  5. Step 5: Solve for x
    x = 39,467,624,996.05/227,620.82
  6. Step 6: Final answer
    x = 173,391.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.